ChromaDB Python Project Contains Pre-Authentication Code Injection Vulnerability
ChromaDB
A pre-authentication code injection vulnerability exists in ChromaDB version 1.0.0 through 1.5.9 via the database collections endpoint. An unauthenticated attacker can achieve remote code execution by sending a malicious model repository with trust_remote_code enabled.
disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why
- CVSS
- 10.0
- EPSS
- 0.15 · top 4% · 2026-11-13
- fix status
- Fix status unknown
- first report
- 18 May 2026
- last update
- 18 May 2026
- CVE ids
Timeline · 2
Sources · 2
Advisories and databases
- 2026-05-18CVE-2026-45829: ChromaDB Python project has a pre-authentication code injection vulnerabilityGitHub Advisory Database · github.com/advisories/GHSA-f4j7-r4q5-qw2c
- 2026-05-18CVE-2026-45829: A pre-authentication, code injection vulnerability in version 1.0.0 or later of the ChromaDB Python project allows an…NVD · nvd.nist.gov/vuln/detail/CVE-2026-45829
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Classification
- lane
- Patch now
- AI role
- Attack on AI
- categories
- Infrastructure vulnerability
- severity
- 2 · Disclosed vulnerability
- fix status
- Fix status unknown
- targets
- Framework / tooling
- owasp llm top 10
- LLM03:2025 Supply Chain
- mitre atlas
- no technique for these categories
- dates
- happened 18 May 2026 · first reported 18 May 2026
- origin
- GitHub Advisory DatabaseVulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
- record
- confidence 0.95 · created 2026-10-18 06:33Z · updated 2026-10-18 10:04Z
Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned
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the brief as text
# ChromaDB Python Project Contains Pre-Authentication Code Injection Vulnerability https://gcdradar.vercel.app/incidents/chromadb-python-project-contains-pre-authentication-code-inj · AIR-2026-0015 · closed 2026-05-18 - Lane: Patch now - Severity: 2 (Disclosed vulnerability) - Fix status: Fix status unknown - First reported: 2026-05-18 - AI role: Attack on AI - Products: ChromaDB - CVE ids: CVE-2026-45829 - CVSS: 10 ## Summary A pre-authentication code injection vulnerability exists in ChromaDB version 1.0.0 through 1.5.9 via the database collections endpoint. An unauthenticated attacker can achieve remote code execution by sending a malicious model repository with trust_remote_code enabled. ## What to do No action recorded; read the sources below and the vendor's advisory. ## Latest updates - 2026-05-18: CVE-2026-45829: A pre-authentication, code injection vulnerability in version 1.0.0 or later of the ChromaDB Python project allows an… (https://nvd.nist.gov/vuln/detail/CVE-2026-45829) - 2026-05-18: CVE-2026-45829: ChromaDB Python project has a pre-authentication code injection vulnerability (https://github.com/advisories/GHSA-f4j7-r4q5-qw2c) ## Sources - 2026-05-18 GitHub Advisory Database: CVE-2026-45829: ChromaDB Python project has a pre-authentication code injection vulnerability https://github.com/advisories/GHSA-f4j7-r4q5-qw2c - 2026-05-18 NVD: CVE-2026-45829: A pre-authentication, code injection vulnerability in version 1.0.0 or later of the ChromaDB Python project allows an… https://nvd.nist.gov/vuln/detail/CVE-2026-45829 Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.
Related
- closed8.8ChromaDB CVE-2026-45832: Authorization control bypass in ChromaDB Python project endpoints
Patch now · Disclosed · since 12 Jun 2026 · CVE-2026-45832
AI - closed8.8ChromaDB CVE-2026-8828: Authorization validation flaw in ChromaDB Rust project
Patch now · Disclosed · since 12 Jun 2026 · CVE-2026-8828
AI - closed8.8ChromaDB CVE-2026-45830: ChromaDB cross-tenant access vulnerability
Patch now · Disclosed · since 12 Jun 2026 · CVE-2026-45830
AI - closed8.8ChromaDB CVE-2026-45831: ChromaDB authorization provider flaw
Patch now · Disclosed · since 12 Jun 2026 · CVE-2026-45831
AI - closed9.4ChromaDB CVE-2026-45833: ChromaDB code injection vulnerability
Patch now · Disclosed · since 12 Jun 2026 · CVE-2026-45833
AI - closed4.8vLLM CVE-2026-12491: vLLM flawed image metadata handling leads to input distortion
Patch now · Disclosed · since 17 Jun 2026 · CVE-2026-12491
AI